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Finding the Fourth Proportional to 544.02, 811.56 and 529.14

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Solution

The fourth proportional to 544.02, 811.56 and 529.14 is: 789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.02 : 811.56 = 529.14 : x
  2. Step 2: Convert to fraction form
    544.02/811.56 = 529.14/x
  3. Step 3: Cross multiply
    544.02x = 811.56 × 529.14
  4. Step 4: Simplify right side
    544.02x = 429,428.86
  5. Step 5: Solve for x
    x = 429,428.86/544.02
  6. Step 6: Final answer
    x = 789.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.